how many valence electrons does alcl3 have?

Sharad Jaiswal
Sharad Jaiswal

Posted On: Apr 09, 2021


    1 Answer Written

  •  Sharad Jaiswal
    Answered by Ishan

    AlCl3, or aluminum chloride, has a total of 24 valence electrons.

    To determine the number of valence electrons in AlCl3, we first need to look at the electronic configuration of aluminum (Al) and chlorine (Cl). Aluminum has three valence electrons in its third energy level, while chlorine has seven valence electrons in its third energy level.

    To form AlCl3, three chlorine atoms will share their one unpaired electron with the three valence electrons of aluminum. This results in a total of 24 valence electrons:

    Al: [Ne] 3s2 3p1

    Cl: [Ne] 3s2 3p5

    AlCl3: [Al] 3s2 3p6 [Cl] 3s2 3p6 [Cl] 3s2 3p6 [Cl] 3s2 3p6

    Therefore, AlCl3 has 24 valence electrons.

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